Features of glass diamond drill bits: 

• Steady drilling with better smoothness

• Free drilling and long lifespan

•  No damage to the edge

•  High drilling efficiency

Specification of glass diamond drill bits:

Cone shank:45°

Wall Thickness:1mm

Length: 75mm, 95mm

Threaded shank:1/2",1/4"

 Straight shank: 8mm,10mm,12mm